- kenLM 5-gram model
- use gigaword nyt 2004, 2005, 2006
- alternate verb forms
- alternate singular/plural noun
- alternate preposition
- alternate article
- score difference threshold (original <> new candidate)
| threshold | Precision | Recall | F0.5 |
|---|---|---|---|
| 0 | 0.0624 | 0.1484 | 0.0706 |
| 0.5 | 0.0667 | 0.1223 | 0.0733 |
| 1 | 0.0700 | 0.0959 | 0.0740 |